SITE ENTRANCE

Tokyo No.4 Data Center is located 3 km away from Tokyo station and is accessible from several railway lines. The height of the first floor of the building exceeds the highest water level expected in the next 200 years, so there are almost no risks of natural disasters.

ENTRANCE OF SERVER ROOM

BIOMETRIC AUTHENTICATION DEVICE

SERVER ROOM

Our data center has a 600 mm raised floor with loading capacity of 1,500 kg/sqm. The server room is fully capable of installation of high-density racks.

AIR FLOW MANAGEMENT

We adopt Airflow Management that isolates cold air and equipment from waste heat to improve Power Usage Effectiveness (PUE) of the air-conditioning units.

STANDARD RACK

We have installed 46U high-density racks with loading capacity of 750 kg as standard racks to realize higher load efficiency compared to other standard data centers. The average power supply to a rack is 6 kVA. Customer-dedicated racks and cages are also available to meet various needs of customers.

AIR-CONDITIONING UNITS

The air-conditioning units are taking N+1 redundant configuration. We adopt highly efficient water-cooling system with great cooling capacity.

POWER RECEIVING UNITS

UPS ROOM

The UPS provides uninterrupted power through batteries with capacity to sustain power for more than 10 minutes to the data center in case of power failure. They are in N+1 redundant configuration to secure safety during maintenances.

GENERATOR ROOM

We adopt highly reliable gas turbine generators which are also used for get airplanes. They are in N+1 redundant configuration and the spare engine starts up simultaneously in case the main engine does not work.

SEISMIC ISOLATION PIT

Tokyo No.4 Data Center is a seismic isolation structure building which withstands earthquake as big as Great East Japan earthquake in 2011. The seismic isolation system prevents the shaking from directly affecting the building and reduces the shock (acceleration) 80% at most.

LAMINATED RUBBER SHOE

We adopt two types of seismic isolation system. "The laminated rubber" shoe is made of alternately overlapped rubber and iron plates. It supports the building and prevents seismic shaking from being transmitted. "The laminated rubber shoe with lead plug" is made of rubber with a lead plug inside of it. It minimizes seismic shaking by the damping force of lead plug.